Home / 286,359.40-395,207.30-163,863.10

Finding the Fourth Proportional to 286,359.40, 395,207.30 and 163,863.10

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Solution

The fourth proportional to 286,359.40, 395,207.30 and 163,863.10 is: 226,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,359.40 : 395,207.30 = 163,863.10 : x
  2. Step 2: Convert to fraction form
    286,359.40/395,207.30 = 163,863.10/x
  3. Step 3: Cross multiply
    286,359.40x = 395,207.30 × 163,863.10
  4. Step 4: Simplify right side
    286,359.40x = 64,759,894,224.30
  5. Step 5: Solve for x
    x = 64,759,894,224.30/286,359.40
  6. Step 6: Final answer
    x = 226,149.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.